"use client"

import * as React from "react"
import { toast } from "sonner"

import {
  Questionnaire,
  QuestionnaireActions,
  QuestionnaireChoice,
  QuestionnaireChoices,
  QuestionnaireDescription,
  QuestionnaireError,
  QuestionnaireInput,
  QuestionnaireItem,
  QuestionnaireNext,
  QuestionnairePrevious,
  QuestionnaireProgress,
  QuestionnaireSkip,
  QuestionnaireSubmit,
  QuestionnaireTitle,
} from "@/styles/base-nova/ui/questionnaire"

const questionnaireItems = [
  {
    choices: [
      {
        description: "Show what the agent ran and what came back.",
        label: "Tool call timeline",
        value: "tool-calls",
      },
      {
        description: "Ask before sensitive or destructive actions.",
        label: "Approval checkpoints",
        value: "approvals",
      },
      {
        description: "Make delegated work and results easier to follow.",
        label: "Sub-agent handoffs",
        value: "handoffs",
      },
    ],
    description: "Choose a direction or describe another task.",
    input: {
      label: "Another agent feature",
      placeholder: "Describe another feature…",
    },
    name: "direction",
    required: true,
    title: "What should the agent build next?",
  },
  {
    choices: [
      { label: "Progress", value: "progress" },
      { label: "Decisions", value: "decisions" },
      { label: "Risks", value: "risks" },
      { label: "Next step", value: "next-step" },
    ],
    description: "Select all that apply, or skip this question.",
    multiple: true,
    name: "signals",
    required: false,
    title: "What should every progress update include?",
  },
  {
    choices: [
      { label: "Start now", value: "now" },
      { label: "Next development cycle", value: "next-cycle" },
      { label: "Add it to the backlog", value: "backlog" },
    ],
    description: "Choose when the agent should begin the work.",
    name: "timing",
    required: true,
    title: "When should work begin?",
  },
] as const

export function QuestionnaireDemo() {
  function handleSubmit(event: React.FormEvent<HTMLFormElement>) {
    event.preventDefault()

    const formData = new FormData(event.currentTarget)
    const answers = {
      direction: formData.get("direction"),
      signals: formData.getAll("signals"),
      timing: formData.get("timing"),
    }

    toast("Agent plan saved", {
      description: `Direction: ${answers.direction ?? "None"} · Progress signals: ${answers.signals.join(", ") || "None"} · Timing: ${answers.timing ?? "None"}`,
    })
  }

  return (
    <Questionnaire
      className="mx-auto max-w-md"
      defaultItem="direction"
      items={questionnaireItems}
      shortcuts="letters"
      onSubmit={handleSubmit}
    >
      <QuestionnaireProgress />
      {questionnaireItems.map((question) => (
        <QuestionnaireItem
          key={question.name}
          multiple={"multiple" in question && question.multiple}
          name={question.name}
          required={question.required}
        >
          <QuestionnaireTitle>{question.title}</QuestionnaireTitle>
          <QuestionnaireDescription>
            {question.description}
          </QuestionnaireDescription>
          <QuestionnaireChoices>
            {question.choices.map((choice) => (
              <QuestionnaireChoice key={choice.value} value={choice.value}>
                <span className="font-medium">{choice.label}</span>
                {"description" in choice ? (
                  <span className="text-muted-foreground">
                    {choice.description}
                  </span>
                ) : null}
              </QuestionnaireChoice>
            ))}
            {"input" in question ? (
              <QuestionnaireInput
                aria-label={question.input.label}
                placeholder={question.input.placeholder}
              />
            ) : null}
          </QuestionnaireChoices>
          <QuestionnaireError />
        </QuestionnaireItem>
      ))}
      <QuestionnaireActions>
        <QuestionnairePrevious />
        <QuestionnaireSkip />
        <QuestionnaireNext>Next</QuestionnaireNext>
        <QuestionnaireSubmit>Save plan</QuestionnaireSubmit>
      </QuestionnaireActions>
    </Questionnaire>
  )
}
